Different modes of data connection can be used during FTP. See details

There are 2 ways in which the data connection mode can be modified:

Global Settings

Click View and choose Options.

The Passive mode for data connection is set by default. Under the Global Settings dialog box, click Connections and uncheck PASV connections for transfers to enable the Active mode. Click OK to save the changes.

This change will affect all the sites for whom the data connection mode was set by default.

For Individual Sites

Click Sites and choose Site Manager.

By default, the Passive mode is enabled. Uncheck PASV to enable Active mode.

Click Close to save the changes. The change is saved and active for future FTP sessions of this site.